Demounting and mounting tool used for fixed type inner magnetic steel of corrugated spring

A corrugated spring, fixed technology, applied in the field of petroleum instrument tooling, can solve the problems of difficult disassembly and assembly of the fixed inner magnet of the corrugated spring, and achieve the effect of simple disassembly and assembly

Inactive Publication Date: 2020-05-05
BC P INC CHINA NAT PETROLEUM CORP +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem of difficult assembly and disassembly of the corrugated spring fixed inner magnetic steel, the present invention proposes a disassembly and assembly tool for the corrugated spring fixed inner magnetic steel

Method used

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  • Demounting and mounting tool used for fixed type inner magnetic steel of corrugated spring
  • Demounting and mounting tool used for fixed type inner magnetic steel of corrugated spring
  • Demounting and mounting tool used for fixed type inner magnetic steel of corrugated spring

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Embodiment Construction

[0014] The present invention will be further described below in conjunction with the accompanying drawings.

[0015] A disassembly and assembly tool for corrugated spring fixed inner magnetic steel, such as figure 1 , figure 2 As shown, it includes: sleeve 1, locking sleeve 2, ring sleeve 3, and fixing ring 4. The sleeve 1 is a hollow cylinder with an external thread at one end and a raised step at the other end; the locking sleeve 2 is a circular ring with an "L" cross-sectional shape, the locking sleeve 2 has an internal thread, and the sleeve The external thread at the end of 1 is compatible with the internal thread of the locking sleeve 2, and the locking sleeve 2 is screwed on the end of the sleeve 1 through threads; the ring sleeve 3 is two semi-circular rings with grooves, and the shape of the grooves is Compatible with the raised steps on the sleeve 1, the grooves of the two ring sleeves 3 are stuck on the steps of the sleeve 1 to form a complete ring; the fixed rin...

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Abstract

The invention discloses a demounting and mounting tool used for fixed type inner magnetic steel of a corrugated spring. The demounting and mounting tool comprises a sleeve, a locking sleeve, ring sleeves and a fixing ring. The sleeve is a hollow cylinder body, one end of the sleeve is provided with an outer thread, and the other end of the sleeve is provided with a protruding step. The locking sleeve is a ring with an L-shaped cross section, and the locking sleeve is provided with an inner thread. The outer thread of the end portion of the sleeve is matched with the inner thread of the lockingsleeve, and the locking sleeve is screwed to the end portion of the sleeve through the threads. The ring sleeves are two semicircular rings provided with grooves, and the shape of the grooves is matched with the protruding step on the sleeve. The grooves of the two ring sleeves are clamped to the step of the sleeve to form a complete ring. The fixing ring is a ring with an L-shaped cross sectionand is arranged on the sleeve in a sleeving manner, the diameter of an inner hole of the end face of the fixing ring is matched with the outer diameter of the sleeve, the inner diameter of the ring ismatched with the outer diameter of the ring sleeves, and the ring sleeves are fixed. By means of the demounting and mounting tool used for the fixed type inner magnetic steel of the corrugated spring, the corrugated spring is pressed by rotating the locking sleeve, and the problem that demounting and mounting cannot be conducted by labor is solved.

Description

technical field [0001] The invention belongs to the technical field of petroleum instrument tooling. Background technique [0002] In oil drilling instruments, internal magnetic steel is a commonly used precision component. In the instrument, the inner magnetic steel needs to be used in conjunction with the outer magnetic steel, and the inner magnetic strip is relatively brittle, and the installation space is small, so it needs to be fixed firmly and have a certain buffering and shock-absorbing ability. Fixed in a circle. [0003] When installing the inner magnetic steel in this fixing method, the corrugated spring needs to be flattened first, and then released after the steel wire retaining ring is installed. The spring preload is about 1KN, and the corrugated spring cannot be flattened by hand for installation, so it is necessary to design a disassembly tool for the corrugated spring fixed inner magnetic steel. Contents of the invention [0004] In order to solve the ...

Claims

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Application Information

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IPC IPC(8): B25B27/00B25B27/14
CPCB25B27/00B25B27/14
Inventor 陈士金焦刚陆灯云白璟杨斌张德军岳步江贺鸣黄兵陈东
Owner BC P INC CHINA NAT PETROLEUM CORP
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